如果我在视图中检查多条记录,然后点击删除按钮,将调用丢弃操作。
现在我一次只能删除(untrash)1条记录。为什么我检查多条记录也不能一次全部删除???
看法
  <%= form_tag(:action => discard, :via => 'put') do %>   
   <% @messages.each do |m| %>
      <tr>
       <td><%= check_box_tag "id",m.id %></td>
       <td><%= m.last_message.id %></td>
       <td><%= 'unread' if m.is_unread?(current_user) %></td>
       <td><%= m.last_message.created_at.to_s(:jp) %></td>
       <td><%= m.last_sender.username %></td>
       <td><%= link_to m.subject, show_messages_path(m) %></td>
      </tr>
   <% end %>
   <%= submit_tag "delete", :class => 'btn' %>
  <% end %>
控制器
  def discard
      conversation = Conversation.find_all_by_id(params[:id])
    if conversation
      current_user.trash(conversation)
      flash[:notice] = "Message sent to trash."
    else
      conversations = Conversation.find(params[:conversations])
      conversations.each { |c| current_user.trash(c) }
      flash[:notice] = "Messages sent to trash."
    end
       redirect_to :back 
  end
路线
match 'messages/discard(/:id)' => 'messages#discard' , :as => :discard_messages